688363
Molecular sieves, 4 Å
powder, activated, −325 mesh particle size
Synonym(s):
SYLOSIV® A4, Sodium Alumino-Silicate
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About This Item
Linear Formula:
Na12[(AlO2)12(SiO2)12] · xH2O
CAS Number:
MDL number:
UNSPSC Code:
23201100
eCl@ss:
32110204
NACRES:
NA.21
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General description
Molecular sieves are made up of three dimensional interconnecting networks of silica and alumina tetrahedral. These crystalline metal aluminosilicates have uniform cavities to selectively adsorb specific size molecules. A 4A molecular sieve has an effective pore size of 4Å.
Application
Molecules with an effective diameter of 4 Å, including H2O, H2S, CO2, SO2, C2H4 and C3H6 are adsorbed.
Legal Information
SYLOSIV is a registered trademark of W.R. Grace & Co.-Conn.
wgk_germany
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
Certificates of Analysis (COA)
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